modularity_matrix

tangles.util.graph.modularity_matrix(adj: csr_matrix, diagonal: ndarray | None = None) → ndarray

Compute the modularity matrix of the graph with adjacency matrix A.

Parameters

adjsparse.csr_matrix

Adjacency matrix.

diagonal: np.ndarray, optional

Diagonal.

Returns

np.ndarray

The modularity matrix. Note: the matrix is not sparse.